BuildingCensus
C

Villa Tramonti Apartment Homes (Cd53)

Multifamily Housing in California, CA · 9100 Duarte Road, San Gabriel · 91775

At a glance

Villa Tramonti Apartment Homes (Cd53) is a 67,483-square-foot multifamily housing building at 9100 Duarte Road, San Gabriel in San Gabriel, California, built in 1975. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 56 out of 100 (grade C), a site energy-use intensity of 71.2 kBtu/ft² and 268 tCO₂e of greenhouse-gas emissions. That score is higher than 12% of the 9,612 scored multifamily housing buildings in California.

ENERGY STAR score
56
band C · 2024
Site EUI
71.2
kBtu/ft²
GHG emissions
268
tCO₂e
GHG intensity
4.0
kgCO₂e/ft²
Floor area
67,483
sq ft
Year built
1975
vintage
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85–10070–8455–691–54
This entry + 2 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score56 (band C)
Site EUI71.2 kBtu/ft²
Source EUI—
GHG emissions268 tCO₂e
GHG intensity4.0 kgCO₂e/ft²
Electricity373,751 kWh
Natural gas34,551 therms
Gross floor area67,483 sq ft
Source recordcalifornia:6537440:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest56+3371.2 kBtu/ft²268 tCO₂e
202323+674.0 kBtu/ft²297 tCO₂e
202217-1177.4 kBtu/ft²303 tCO₂e
202128-1571.3 kBtu/ft²268 tCO₂e
202043+170.6 kBtu/ft²263 tCO₂e
20194268.9 kBtu/ft²269 tCO₂e

Compliance context

AB 802 (Public Resources Code §25402.10)

AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.

Program details →

Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
9100 Duarte Road, San Gabriel
State
California
ZIP
91775
Coordinates
34.12333, -118.07025

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does Villa Tramonti Apartment Homes (Cd53) compare with other multifamily housing buildings in California?

The latest disclosures cover 10,630 multifamily housing buildings in California, out of 40,029 buildings citywide. Villa Tramonti Apartment Homes (Cd53)'s ENERGY STAR score of 56 compares with an average of 82 across the 9,612 that report a score; it scores higher than 12% of them and lower than 87%. Its site EUI of 71.2 kBtu/ft² is about twice the average of 34.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 4.0 kgCO₂e/ft² is about 89% above the group average of 2.1 kgCO₂e/ft².

At 67,483 sq ft, it is about 55% below the average floor area of 150,919 sq ft for those buildings. It was built in 1975, 13 years earlier than the group's average year built (1988). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².

How has Villa Tramonti Apartment Homes (Cd53)'s energy performance changed over time?

BuildingCensus holds 6 California disclosures for Villa Tramonti Apartment Homes (Cd53), covering report years 2019–2024. Its ENERGY STAR score went from 42 in 2019 to 56 in 2024 (+14 points). Site EUI moved from 68.9 kBtu/ft² (2019) to 71.2 kBtu/ft² (2024), an 3% increase. Reported emissions went from 269 tCO₂e to 268 tCO₂e over the same span (down 0%).

What does an ENERGY STAR score of 56 mean?

ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 56 means the building performs better than about 56% of its national peers. BuildingCensus bands the score into report-card grades; 56 falls in band C — below median (55–69). It sits 19 points below 75, the threshold for ENERGY STAR certification. In California, 65% of scored buildings are at 75 or above.

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Villa Tramonti Apartment Homes (Cd53)'s 71.2 kBtu/ft² across 67,483 sq ft works out to about 4.8 billion Btu (1,408 MWh-equivalent) in 2024. The disclosure also reports 373,751 kWh of electricity and 34,551 therms of natural gas for the year.

Which law requires Villa Tramonti Apartment Homes (Cd53) to report its energy use?

Villa Tramonti Apartment Homes (Cd53) reports under AB 802 (Public Resources Code §25402.10), the legal basis of California's Building Energy Benchmarking Program (statewide), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record california:6537440:2024). AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.

More multifamily housing buildings in California

Frequently asked questions

What is Villa Tramonti Apartment Homes (Cd53)'s energy grade?

Villa Tramonti Apartment Homes (Cd53) scores 56 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Villa Tramonti Apartment Homes (Cd53) use?

Its 2024 site energy-use intensity was 71.2 kBtu/ft² across 67,483 sq ft, including 373,751 kWh of electricity and 34,551 therms of natural gas.

What are Villa Tramonti Apartment Homes (Cd53)'s carbon emissions?

Villa Tramonti Apartment Homes (Cd53) reported 268 tCO₂e of greenhouse-gas emissions (4.0 kgCO₂e/ft²) for 2024.

Where is Villa Tramonti Apartment Homes (Cd53)?

Villa Tramonti Apartment Homes (Cd53) is at 9100 Duarte Road, San Gabriel, in San Gabriel, California 91775. Its coordinates are 34.12333, -118.07025 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is Villa Tramonti Apartment Homes (Cd53) and when was it built?

Villa Tramonti Apartment Homes (Cd53) has 67,483 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1975 as its year built. It is classed as multifamily housing.

Is Villa Tramonti Apartment Homes (Cd53) covered by AB 802 (Public Resources Code §25402.10)?

Yes — it appears in the 2024 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).

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About this data

Source: Building Energy Benchmarking Program (statewide) (AB 802 (Public Resources Code §25402.10)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “Villa Tramonti Apartment Homes (Cd53), San Gabriel, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/villa-tramonti-apartment-homes-cd53-bf010a66 (data as of July 9, 2026).